New LED Signs that "Blank-Out" to a Black Face when Turned Off

Energy Saving Indoor-rated LED Signs for warning, status, safety and “in use” messages.

Slim-Line LED Backlit
Signs display bright,
bold messages when
lighted and “Blank-Out”
to show no message
when not illuminated.

These energy saving LED signs offer the ideal solution
when it is important for the message to standout
and be "viewable only when the sign is illuminated"
indicating the need for caution.

Need a quick and dependable sign source for energy saving, indoor warning and safety signs? Looking for bright LED signs that are compact and easy to install? iSIGNS Inc. is your source for indoor LED warning and safety signs with any brief message.

Call us at 866-437-3040 to discuss LED illuminated SBL Safety, Warning and In Use signs with custom messages to meet your needs.

View SBL Sign Features
View SBL Recent Best Sellers



System Profile:

Our new SBL Sign Series creates bright, energy efficient LED Warning Signs and LED Safety Signs for indoor applications. SBL LED Backlit Signs are specifically designed to be viewable only when illuminated making their message immediately noticeable. These signs can display any lighted message of choice and “blank-out” to black when you turn the signs off.

These small signs have big bright messages and pack some big advantages too. The SBL indoor-rated signs use high-intensity LED backlit illumination and their low energy consumption makes them more energy efficient than similar neon or incandescent illuminated signs. Their compact, slim-line aluminum frames come in 5 popular sizes and are only 2-1/2” deep making them a good fit for any building interior or office decor. SBL signs have a life expectancy of nearly 100,000 hours, are maintenance free, UL/cUL listed, and offer replaceable message panels to accommodate future changes. (Replacement faces are sold separately.)

Ideal For:

These Slim-Line, Blank-Out, Led Backlit Signs (SBL) offer a wide range of highly visible messages to promote safety awareness; room or equipment in use; or to indicate the immediate presence of danger or a potentially hazardous situation. They are especially ideal for medical, healthcare and rehabilitation facilities using diagnostic and radiology equipment such as X-Rays, MRI, CT Scanners and Medical Lasers. It is often required that the operation or activation of such equipment include highly visible “in use” warning signs to alert medical staff, patients and visitors of potential danger or the need for caution. Messages include X-Ray In Use, Magnet On, MRI In Use, Laser In Use, CT In Use, Radiation On, Beam On…custom messages are also available.


From “Dark Room In Use” to “On Air” to “Area of Rescue” these small LED signs offer bright safety or warning messages. Both common and custom messages are quickly available and affordably priced.

Features and Benefits:

  • Message is displayed only when the sign is turned on and blanks-out to black when the unit is off, making the message immediately noticeable
  • Indoor-rated signs using energy efficient, high-intensity LED backlit illumination, saves consumers in operating costs year after year
  • Compact signs in 5 cabinet sizes designed to maximize the message area and viewing angle
  • Display almost any message in bright, vivid colors of Red, Green, Amber or White on a black background
  • Reproduce logo’s, graphics, symbols and custom messages
  • Replaceable message panel allows for future changes
  • A green choice using up to 75% less energy than similar neon and incandescent backlit signs
  • Sturdy one-piece, corrosion resistant aluminum frame cabinet in duranodic bronze finish; Custom frame colors are available
  • Lift’n Shift back panel for easy installation and access to electrical components
  • Standard Wall Mount or optional mounting for ceiling, projection, angle mount or post mount
  • LED’s offer a long service life…over 100,000 hours
  • UL and cUL listed
  • 2-year warranty
  • Quickly available



SBL Indoor-rated LED Sign Features

SBL Backlit LED Sign Features



Recent SBL Series Best Sellers

SBL Backlit LED Sign Best Sellers